The Soil

soil life

soil texture

What's in soil?

soil testing

soil pH

harrison_1.JPG


comparing Sand, Silt, and Clay in 5 different gardens on campus

CampusGarden
Sand
Silt
Clay




Middle School






53


17


30


West






33


33


33


LowerSchool






26


26


46


Gym






43


17


40


Finn






17


7


76



MS_tube.JPG

Measuring the Nitrogen, Phosphorous, and Potassium, and pH of the soil


0 - depleted
1 - deficient
2- adequate
3- sufficient
4 - surplus




CampusGarden
Nitrogen
N
Phosphorous
P
Potassium
K
pH
Middle School
N1
P2
K4
7.0
West
N2
P2
K1
7.0
LowerSchool
N1
K1
K1
7.0
Gym
N2
P2
K3
6.5
Finn
N1
P1
K1
6.5

A good balance of sand, silt and clay is needed to have good soil. Gardens with a lot more of one than the other will not do as well as one were they are close to equal or equal the amount of these three things.